import java.io.Serializable;

public abstract class BaseObejct implements Serializable {  
   
	private static final long serialVersionUID = -3007425073629820123L;
	
private long createTimestamp = System.currentTimeMillis();  
    private boolean checked = false;  
      
   public abstract boolean equals( Object arg0 );  
  
   public abstract int hashCode();  
  
   public abstract String toString();  
  
    public long getCreateTimestamp()  
    {  
        return createTimestamp;  
    }  
  
   public boolean getChecked() {  
      return checked;  
   }  
  
   public void setChecked(boolean checked) {  
      this.checked = checked;  
   }  
} 

